ATQ, 120% of 25 + 80 X 2 = ?2 - 6 30 + 80 X 2 = ?2 - 6 30 + 160 = ?2 - 6 190 = ?2 - 6 ?2 = 196 ? = ±14
A rectangular frame of size 100 cm (length) x 120 cm (breadth) is to be surrounded by stickers of 2 cm x 2 cm size. How many stickers would be required ...
The diameter of a circular field is equal to the side of a square field. If the total cost of fencing the circular field is Rs. 71...
A cylindrical tank with a height of 12 meters and a radius of 7 meters is filled with water. It has a leakage at the bottom that drains water at a rate ...
The area of a rectangular field is 2880 m² and its length to breadth in the ratio of 5 : 1. What is the perimeter of the field.
Some students (only boys and girls) from different schools appeared for an Olympiad exam. 20% of the boys and 15% of the girls failed the exam. The numb...
The ratio of males and females in a zoo is 6:7 respectively and the percentage of children among males and the percentage of children among females are ...
A hemisphere has a total surface area of 604.8 cm². Calculate the volume of a sphere that has the same radius as the given hemisphere. (Take π = 3.15)...
A square is converted into a rectangle by increasing its length by 50 % and decreasing its width by 20%. Which of the following statements is true?
After offering a discount of 28 percent on the sale of an item, a seller made a profit of 12.5 percent. If the cost price of the item was Rs. y. What wa...
The outer radius of a hollow metallic spherical ball is 12 cm while the thickness of the metal used to make it is 6 cm. Find the volume of the metal use...